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Question
What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example.
Solution
When a metal reacts with dilute hydrochloric acid, it forms a metal chloride salt and hydrogen gas.
For example, sodium reacts with dilute hydrochloric acid to form sodium chloride salt and hydrogen gas.
2Na(s) + 2HCl(aq) → 2NaCl(aq) + H2(g)
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